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Global vulnerability Artificial Intelligence and Technology HIGH 1h Global general Technology and Artificial Intelligence MEDIUM 5h Global general Technology and Artificial Intelligence HIGH 6h Global vulnerability Higher Education CRITICAL 15h Global data_breach Government HIGH 16h Global supply_chain Software Development and Open Source Communities CRITICAL 16h Global malware Software Development CRITICAL 16h Global phishing Multiple Sectors HIGH 16h Global vulnerability Web Applications CRITICAL 17h Global apt Critical Infrastructure CRITICAL 17h Global vulnerability Artificial Intelligence and Technology HIGH 1h Global general Technology and Artificial Intelligence MEDIUM 5h Global general Technology and Artificial Intelligence HIGH 6h Global vulnerability Higher Education CRITICAL 15h Global data_breach Government HIGH 16h Global supply_chain Software Development and Open Source Communities CRITICAL 16h Global malware Software Development CRITICAL 16h Global phishing Multiple Sectors HIGH 16h Global vulnerability Web Applications CRITICAL 17h Global apt Critical Infrastructure CRITICAL 17h Global vulnerability Artificial Intelligence and Technology HIGH 1h Global general Technology and Artificial Intelligence MEDIUM 5h Global general Technology and Artificial Intelligence HIGH 6h Global vulnerability Higher Education CRITICAL 15h Global data_breach Government HIGH 16h Global supply_chain Software Development and Open Source Communities CRITICAL 16h Global malware Software Development CRITICAL 16h Global phishing Multiple Sectors HIGH 16h Global vulnerability Web Applications CRITICAL 17h Global apt Critical Infrastructure CRITICAL 17h
Vulnerabilities

CVE-2009-3129

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Microsoft Excel FEATHEADER Record Memory Corruption Vulnerability (CVE-2009-3129)
Published: Mar 3, 2022  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Microsoft Excel Featheader Record Memory Corruption Vulnerability — Microsoft Office Excel allows remote attackers to execute arbitrary code via a spreadsheet with a FEATHEADER record containing an invalid cbHdrData size element that affects a pointer offset.

🤖 AI Executive Summary

Microsoft Excel contains a memory corruption vulnerability in the FEATHEADER record processing that allows remote attackers to execute arbitrary code through specially crafted spreadsheet files. The vulnerability results from improper validation of the cbHdrData size element, leading to pointer offset issues.

📄 Description (Arabic)

تؤثر هذه الثغرة على معالجة سجلات FEATHEADER في Microsoft Excel حيث يفشل التطبيق في التحقق الصحيح من حجم عنصر cbHdrData. يمكن للمهاجمين استغلال هذا الخلل بإرسال ملفات جداول بيانات معدلة لتنفيذ أكواد عشوائية بامتيازات المستخدم.

🤖 ملخص تنفيذي (AI)

ثغرة تلف الذاكرة في Microsoft Excel تسمح للمهاجمين بتنفيذ أكواد عشوائية عبر ملفات جداول بيانات معدلة خصيصاً. تنتج الثغرة عن عدم التحقق الصحيح من حجم عنصر cbHdrData مما يؤدي إلى مشاكل في إزاحة المؤشرات.

🤖 AI Intelligence Analysis Analyzed: May 1, 2026 03:37
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
banking government energy telecom healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Update Microsoft Office Excel to the latest patched version immediately. Disable opening untrusted Excel files from external sources. Implement email gateway controls to block suspicious spreadsheet attachments. Use application whitelisting to restrict Excel execution.
🔧 خطوات المعالجة (العربية)
قم بتحديث Microsoft Office Excel إلى أحدث إصدار مصحح فوراً. عطّل فتح ملفات Excel غير الموثوقة من مصادر خارجية. طبّق عناصر تحكم بوابة البريد الإلكتروني لحجب المرفقات المريبة. استخدم قائمة التطبيقات المسموحة لتقييد تنفيذ Excel.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.12.2.1 A.12.6.1 A.14.2.1
🔵 SAMA CSF
CC.6.1 CC.6.2 CC.7.2
🟡 ISO 27001:2022
A.12.2.1 A.12.6.1 A.14.2.1
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Microsoft:Excel
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2022-03-24
Published 2022-03-03
Source Feed cisa_kev
Views 5
🇸🇦 Saudi Risk Score
9.0
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
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